Alen Air Filter B4-Fresh Replacement HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures Allergens & Mold + Odors & Smoke (1 Filter)
FRESH HEPA AIR FILTER: Breathe cleaner air with the Alen Air Purifier's high-quality HEPA filter. This advanced filter captures allergens, dust, mold, germs, harmful chemicals and VOCs, cooking odors, and common household odors, promoting a healthier and safer environment for you and your loved ones.
MEDICAL-GRADE H13 TRUE HEPA FILTER: Discover the exceptional power of our medical-grade H13 True HEPA filter within your home. Our filter captures 99.9% of airborne particles as small as 0.1 micron, this technology provides clean and fresh air throughout your space. Take control of your indoor air quality and create a safe haven for your family.
HASSLE-FREE MAINTENANCE: Convenience made simple. Our Air Filter Replacements feature an easily removable pre-filter screen. Effortlessly clean your replacement filter using a vacuum ensuring optimal performance and extending its lifespan. Save time and effort while enjoying consistent air purification in your home.
EXTRA LONG LASTING: Say goodbye to frequent filter replacements. Our filter has a 9 to 12 months lifespan. Enjoy continuous and hassle-free air purification without the worry of constantly replacing filters.
EFFICIENT FILTER PERFORMANCE: Experience efficient performance with our Alen Air Purifier Filters. The unique design of our H13 True HEPA Medical-Grade Filters includes foam on the outside of the frame, which ensures exceptional effectiveness without any air leaks. Maximize airflow while capturing even the most stubborn particles, achieving a thorough and comprehensive clean.

Alen Air Purifier BreatheSmart Flex HEPA with Pure Filter | 1400 Sq. Ft | Perfect for Bedrooms & Home Offices - Captures Allergens, Dust, & Mold - Oak
H13 HEPA PURE FILTER: Our BreatheSmart FLEX incorporates the potent H13 HEPA Pure Filter, standing out as an essential air purifier. This smart home product is crafted to remove 99.9% of allergens and pollutants as small as 0.1 micron, making it a vital addition to your household essentials so you can breathe easy. This filter is ideal for everyday home purification, allergy and asthma sufferers, and virus concerns.
PURE AIR ANYWHERE: Compact and lightweight, the BreatheSmart FLEX ensures pure air anywhere in your home, making it an ideal addition to your home essentials and a perfect housewarming gift for a new home. Perfect for smaller spaces like your home office, nursery, or guest bedroom, this small room air purifier adapts seamlessly to your lifestyle.
EFFICIENT ROOM SIZE CIRCULATION: Quietly and efficiently cleansing the air, the BreatheSmart FLEX covers rooms up to 700 sq. ft. every 30 minutes. Perfectly suited for kids' bedrooms, guest rooms, home offices, and home gyms, it's the ultimate small room air purifier.
ENGINEERED TO PERFORM: Alen air purifiers offer superior performance through the combination of a powerful fan, quiet motor, and advanced filtration technology to deliver and maximize airflow while minimizing noise. Our H13 medical-grade filters capture particles as small as 0.1 microns, removing even the tiniest pollutants including dust, pollen, germs and bacteria. Alen air purifiers are energy efficient and designed to run 24/7, generating a total energy cost of only $0.12 per day.
ALLEN LIFETIME ASSURANCE: Enroll in a filter subscription, and your air purifier remains protected indefinitely. Experience worry-free ownership - we'll fix or replace any issues at no cost. Transform your space into an oasis of clean air with this essential air purifier, perfect for any smart home.

Alen Air Purifier BreatheSmart Flex HEPA with Fresh Filter - 1400 Sq. Ft - Perfect for Bedrooms - Captures Allergens, Dust, & Mold + Odors & Smoke
H13 HEPA FRESH Filter: absorbs light household odors and chemicals. This Fresh Filter uses activated carbon to mitigate common household odors and absorb light chemicals and VOCs. The Fresh filter is ideal for light household odors/cooking smells, home renovations, and urban areas with high levels of pollution.
PURE AIR ANYWHERE: The BreatheSmart FLEX is compact and lightweight, making it ideal for smaller rooms throughout your home where you find you and your loves spending time. Need pure air in your home office? Nursery? Guest bedroom? FLEX has you covered.
ROOM SIZE: The BreatheSmart FLEX quietly and efficiently circulates the air in rooms up to 700 sq. ft. every 30 minutes. Perfect for kids' bedrooms, guest bedrooms, home offices, and home gyms.
ENGINEERED TO PERFORM: Alen air purifiers offer superior performance through the combination of a powerful fan, quiet motor, and advanced filtration technology to deliver and maximize airflow while minimizing noise. Our H13 medical-grade filters capture particles as small as 0.1 microns, removing even the tiniest pollutants including dust, pollen, germs and bacteria. Alen air purifiers are energy efficient and designed to run 24/7, generating a total energy cost of only $0.12 per day.
FOREVER GUARANTEE: Alen offers the industry’s only Forever Guarantee. When you enroll in a filter subscription, your Alen air purifier is guaranteed for life. If you ever have issues with your unit, we’ll fix it or replace it for free.